package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Scanner;

public class JDBCDemo7 {
    public static void main(String[] args) {
        System.out.println("请输入用户名和密码");
        Scanner scan = new Scanner(System.in);
        System.out.println("请输入用户名:");
        String username = scan.nextLine();
        System.out.println("请输入密码:");
        String password = scan.nextLine();

        try (Connection connection = DBUtil.getConnection();){
            String sql = "SELECT id,username,password,nickname,age " +
                         "FROM user " +
                         "WHERE username = ? AND password = ?";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,username);
            ps.setString(2,password);
            ResultSet rs = ps.executeQuery();
            if(rs.next() == true){
                System.out.println("登录成功");
            } else{
                System.out.println("登录失败");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
